// 去除 * 性能优化
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
blockquote,
dl,
dt,
dd,
ul,
ol,
li,
pre,
form,
fieldset,
legend,
button,
input,
textarea,
th,
td {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}
img {
  border: none;
}
body,
button,
input,
select,
textarea {
  font: 14px/1.5 tahoma, \5b8b\4f53, sans-serif;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
ul,
ol {
  list-style: none;
}
a {
  text-decoration: none;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
hr {
  border: none;
  height: 1px;
}
input {
  border: none;
  appearance: none;
  -moz-appearance: none;
  outline: none; // input 标签聚焦不出现默认边框
  -webkit-appearance: none; // 用于 IOS 下移除原生样式
  /* 设置 placeholder 的默认样式 */
  &:-moz-placeholder {
    color: #ddd;
    opacity: 1;
  }
  &:-ms-input-placeholder {
    color: #ddd;
    opacity: 1;
  }
  &:-webkit-input-placeholder {
    color: #ddd;
    opacity: 1;
  }
  &:focus {
    outline: none;
  }
}
body {
  -moz-user-select: none;
  -webkit-user-select: none;
  -ms-user-select: none;
  -khtml-user-select: none;
  user-select: none;
}
// 全局滚动条的样式
::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

::-webkit-scrollbar-thumb {
  border-radius: 10px;
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-track {
  box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.05);
}
